// Copyright (c) 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_COMPOSITOR_VULKAN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
#define CONTENT_BROWSER_COMPOSITOR_VULKAN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_

#include <memory>

#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "cc/output/output_surface_frame.h"
#include "content/browser/compositor/browser_compositor_output_surface.h"
#include "ui/gfx/native_widget_types.h"

namespace gpu {
class VulkanSurface;
}

namespace content {

class VulkanBrowserCompositorOutputSurface
    : public BrowserCompositorOutputSurface {
public:
    VulkanBrowserCompositorOutputSurface(
        scoped_refptr<cc::VulkanContextProvider> context,
        const UpdateVSyncParametersCallback& update_vsync_parameters_callback);

    ~VulkanBrowserCompositorOutputSurface() override;

    bool Initialize(gfx::AcceleratedWidget widget);
    void Destroy();

    // cc::OutputSurface implementation.
    void BindToClient(cc::OutputSurfaceClient* client) override;
    void EnsureBackbuffer() override;
    void DiscardBackbuffer() override;
    void BindFramebuffer() override;
    bool IsDisplayedAsOverlayPlane() const override;
    unsigned GetOverlayTextureId() const override;
    bool SurfaceIsSuspendForRecycle() const override;
    void Reshape(const gfx::Size& size,
        float device_scale_factor,
        const gfx::ColorSpace& color_space,
        bool has_alpha) override;
    uint32_t GetFramebufferCopyTextureFormat() override;
    void SwapBuffers(cc::OutputSurfaceFrame frame) override;

private:
    void SwapBuffersAck();

    std::unique_ptr<gpu::VulkanSurface> surface_;
    cc::OutputSurfaceClient* client_ = nullptr;
    base::WeakPtrFactory<VulkanBrowserCompositorOutputSurface> weak_ptr_factory_;

    DISALLOW_COPY_AND_ASSIGN(VulkanBrowserCompositorOutputSurface);
};

} // namespace content

#endif // CONTENT_BROWSER_COMPOSITOR_VULKAN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
